*/
#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/interrupt.h>
#include <linux/firmware.h>
#include <linux/delay.h>
-#include <linux/irq.h>
#include <linux/spi/spi.h>
#include <linux/crc32.h>
#include <linux/etherdevice.h>
#include <linux/vmalloc.h>
-#include <linux/spi/wl12xx.h>
-#include <linux/inetdevice.h>
+#include <linux/platform_device.h>
#include <linux/slab.h>
#include "wl1271.h"
#include "wl12xx_80211.h"
#include "wl1271_reg.h"
-#include "wl1271_spi.h"
#include "wl1271_io.h"
#include "wl1271_event.h"
#include "wl1271_tx.h"
#include "wl1271_cmd.h"
#include "wl1271_boot.h"
#include "wl1271_testmode.h"
+#include "wl1271_scan.h"
#define WL1271_BOOT_RETRIES 3
static struct conf_drv_settings default_conf = {
.sg = {
- .per_threshold = 7500,
- .max_scan_compensation_time = 120000,
- .nfs_sample_interval = 400,
- .load_ratio = 50,
- .auto_ps_mode = 0,
- .probe_req_compensation = 170,
- .scan_window_compensation = 50,
- .antenna_config = 0,
- .beacon_miss_threshold = 60,
- .rate_adaptation_threshold = CONF_HW_BIT_RATE_12MBPS,
- .rate_adaptation_snr = 0
+ .params = {
+ [CONF_SG_BT_PER_THRESHOLD] = 7500,
+ [CONF_SG_HV3_MAX_OVERRIDE] = 0,
+ [CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400,
+ [CONF_SG_BT_LOAD_RATIO] = 50,
+ [CONF_SG_AUTO_PS_MODE] = 1,
+ [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170,
+ [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50,
+ [CONF_SG_ANTENNA_CONFIGURATION] = 0,
+ [CONF_SG_BEACON_MISS_PERCENT] = 60,
+ [CONF_SG_RATE_ADAPT_THRESH] = 12,
+ [CONF_SG_RATE_ADAPT_SNR] = 0,
+ [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR] = 10,
+ [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR] = 30,
+ [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR] = 8,
+ [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR] = 20,
+ [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR] = 50,
+ /* Note: with UPSD, this should be 4 */
+ [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR] = 8,
+ [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR] = 7,
+ [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR] = 25,
+ [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR] = 20,
+ /* Note: with UPDS, this should be 15 */
+ [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR] = 8,
+ /* Note: with UPDS, this should be 50 */
+ [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR] = 40,
+ /* Note: with UPDS, this should be 10 */
+ [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR] = 20,
+ [CONF_SG_RXT] = 1200,
+ [CONF_SG_TXT] = 1000,
+ [CONF_SG_ADAPTIVE_RXT_TXT] = 1,
+ [CONF_SG_PS_POLL_TIMEOUT] = 10,
+ [CONF_SG_UPSD_TIMEOUT] = 10,
+ [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR] = 7,
+ [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR] = 15,
+ [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR] = 15,
+ [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR] = 8,
+ [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR] = 20,
+ [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR] = 15,
+ [CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR] = 20,
+ [CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR] = 50,
+ [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR] = 10,
+ [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200,
+ [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP] = 800,
+ [CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME] = 75,
+ [CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME] = 15,
+ [CONF_SG_HV3_MAX_SERVED] = 6,
+ [CONF_SG_DHCP_TIME] = 5000,
+ [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100,
+ },
+ .state = CONF_SG_PROTECTIVE,
},
.rx = {
.rx_msdu_life_time = 512000,
.tx = {
.tx_energy_detection = 0,
.rc_conf = {
- .enabled_rates = CONF_HW_BIT_RATE_1MBPS |
- CONF_HW_BIT_RATE_2MBPS,
+ .enabled_rates = 0,
.short_retry_limit = 10,
.long_retry_limit = 10,
.aflags = 0
},
.ac_conf_count = 4,
.ac_conf = {
- [0] = {
+ [CONF_TX_AC_BE] = {
.ac = CONF_TX_AC_BE,
.cw_min = 15,
.cw_max = 63,
.aifsn = 3,
.tx_op_limit = 0,
},
- [1] = {
+ [CONF_TX_AC_BK] = {
.ac = CONF_TX_AC_BK,
.cw_min = 15,
.cw_max = 63,
.aifsn = 7,
.tx_op_limit = 0,
},
- [2] = {
+ [CONF_TX_AC_VI] = {
.ac = CONF_TX_AC_VI,
.cw_min = 15,
.cw_max = 63,
.aifsn = CONF_TX_AIFS_PIFS,
.tx_op_limit = 3008,
},
- [3] = {
+ [CONF_TX_AC_VO] = {
.ac = CONF_TX_AC_VO,
.cw_min = 15,
.cw_max = 63,
.tx_op_limit = 1504,
},
},
- .tid_conf_count = 7,
+ .tid_conf_count = 4,
.tid_conf = {
- [0] = {
- .queue_id = 0,
- .channel_type = CONF_CHANNEL_TYPE_DCF,
- .tsid = CONF_TX_AC_BE,
- .ps_scheme = CONF_PS_SCHEME_LEGACY,
- .ack_policy = CONF_ACK_POLICY_LEGACY,
- .apsd_conf = {0, 0},
- },
- [1] = {
- .queue_id = 1,
- .channel_type = CONF_CHANNEL_TYPE_DCF,
- .tsid = CONF_TX_AC_BE,
- .ps_scheme = CONF_PS_SCHEME_LEGACY,
- .ack_policy = CONF_ACK_POLICY_LEGACY,
- .apsd_conf = {0, 0},
- },
- [2] = {
- .queue_id = 2,
- .channel_type = CONF_CHANNEL_TYPE_DCF,
+ [CONF_TX_AC_BE] = {
+ .queue_id = CONF_TX_AC_BE,
+ .channel_type = CONF_CHANNEL_TYPE_EDCF,
.tsid = CONF_TX_AC_BE,
.ps_scheme = CONF_PS_SCHEME_LEGACY,
.ack_policy = CONF_ACK_POLICY_LEGACY,
.apsd_conf = {0, 0},
},
- [3] = {
- .queue_id = 3,
- .channel_type = CONF_CHANNEL_TYPE_DCF,
- .tsid = CONF_TX_AC_BE,
+ [CONF_TX_AC_BK] = {
+ .queue_id = CONF_TX_AC_BK,
+ .channel_type = CONF_CHANNEL_TYPE_EDCF,
+ .tsid = CONF_TX_AC_BK,
.ps_scheme = CONF_PS_SCHEME_LEGACY,
.ack_policy = CONF_ACK_POLICY_LEGACY,
.apsd_conf = {0, 0},
},
- [4] = {
- .queue_id = 4,
- .channel_type = CONF_CHANNEL_TYPE_DCF,
- .tsid = CONF_TX_AC_BE,
+ [CONF_TX_AC_VI] = {
+ .queue_id = CONF_TX_AC_VI,
+ .channel_type = CONF_CHANNEL_TYPE_EDCF,
+ .tsid = CONF_TX_AC_VI,
.ps_scheme = CONF_PS_SCHEME_LEGACY,
.ack_policy = CONF_ACK_POLICY_LEGACY,
.apsd_conf = {0, 0},
},
- [5] = {
- .queue_id = 5,
- .channel_type = CONF_CHANNEL_TYPE_DCF,
- .tsid = CONF_TX_AC_BE,
+ [CONF_TX_AC_VO] = {
+ .queue_id = CONF_TX_AC_VO,
+ .channel_type = CONF_CHANNEL_TYPE_EDCF,
+ .tsid = CONF_TX_AC_VO,
.ps_scheme = CONF_PS_SCHEME_LEGACY,
.ack_policy = CONF_ACK_POLICY_LEGACY,
.apsd_conf = {0, 0},
},
- [6] = {
- .queue_id = 6,
- .channel_type = CONF_CHANNEL_TYPE_DCF,
- .tsid = CONF_TX_AC_BE,
- .ps_scheme = CONF_PS_SCHEME_LEGACY,
- .ack_policy = CONF_ACK_POLICY_LEGACY,
- .apsd_conf = {0, 0},
- }
},
.frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD,
.tx_compl_timeout = 700,
- .tx_compl_threshold = 4
+ .tx_compl_threshold = 4,
+ .basic_rate = CONF_HW_BIT_RATE_1MBPS,
+ .basic_rate_5 = CONF_HW_BIT_RATE_6MBPS,
},
.conn = {
.wake_up_event = CONF_WAKE_UP_EVENT_DTIM,
- .listen_interval = 0,
+ .listen_interval = 1,
.bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED,
.bcn_filt_ie_count = 1,
.bcn_filt_ie = {
.beacon_rx_timeout = 10000,
.broadcast_timeout = 20000,
.rx_broadcast_in_ps = 1,
- .ps_poll_threshold = 20,
- .sig_trigger_count = 2,
- .sig_trigger = {
- [0] = {
- .threshold = -75,
- .pacing = 500,
- .metric = CONF_TRIG_METRIC_RSSI_BEACON,
- .type = CONF_TRIG_EVENT_TYPE_EDGE,
- .direction = CONF_TRIG_EVENT_DIR_LOW,
- .hysteresis = 2,
- .index = 0,
- .enable = 1
- },
- [1] = {
- .threshold = -75,
- .pacing = 500,
- .metric = CONF_TRIG_METRIC_RSSI_BEACON,
- .type = CONF_TRIG_EVENT_TYPE_EDGE,
- .direction = CONF_TRIG_EVENT_DIR_HIGH,
- .hysteresis = 2,
- .index = 1,
- .enable = 1
- }
- },
- .sig_weights = {
- .rssi_bcn_avg_weight = 10,
- .rssi_pkt_avg_weight = 10,
- .snr_bcn_avg_weight = 10,
- .snr_pkt_avg_weight = 10
- },
+ .ps_poll_threshold = 10,
+ .ps_poll_recovery_period = 700,
.bet_enable = CONF_BET_MODE_ENABLE,
.bet_max_consecutive = 10,
- .psm_entry_retries = 3
- },
- .init = {
- .radioparam = {
- .fem = 1,
- }
+ .psm_entry_retries = 3,
+ .keep_alive_interval = 55000,
+ .max_listen_interval = 20,
},
.itrim = {
.enable = false,
.pm_config = {
.host_clk_settling_time = 5000,
.host_fast_wakeup_support = false
+ },
+ .roam_trigger = {
+ .trigger_pacing = 1,
+ .avg_weight_rssi_beacon = 20,
+ .avg_weight_rssi_data = 10,
+ .avg_weight_snr_beacon = 20,
+ .avg_weight_snr_data = 10
}
};
+static void __wl1271_op_remove_interface(struct wl1271 *wl);
+
+
+static void wl1271_device_release(struct device *dev)
+{
+
+}
+
+static struct platform_device wl1271_device = {
+ .name = "wl1271",
+ .id = -1,
+
+ /* device model insists to have a release function */
+ .dev = {
+ .release = wl1271_device_release,
+ },
+};
+
static LIST_HEAD(wl_list);
+static int wl1271_dev_notify(struct notifier_block *me, unsigned long what,
+ void *arg)
+{
+ struct net_device *dev = arg;
+ struct wireless_dev *wdev;
+ struct wiphy *wiphy;
+ struct ieee80211_hw *hw;
+ struct wl1271 *wl;
+ struct wl1271 *wl_temp;
+ int ret = 0;
+
+ /* Check that this notification is for us. */
+ if (what != NETDEV_CHANGE)
+ return NOTIFY_DONE;
+
+ wdev = dev->ieee80211_ptr;
+ if (wdev == NULL)
+ return NOTIFY_DONE;
+
+ wiphy = wdev->wiphy;
+ if (wiphy == NULL)
+ return NOTIFY_DONE;
+
+ hw = wiphy_priv(wiphy);
+ if (hw == NULL)
+ return NOTIFY_DONE;
+
+ wl_temp = hw->priv;
+ list_for_each_entry(wl, &wl_list, list) {
+ if (wl == wl_temp)
+ break;
+ }
+ if (wl != wl_temp)
+ return NOTIFY_DONE;
+
+ mutex_lock(&wl->mutex);
+
+ if (wl->state == WL1271_STATE_OFF)
+ goto out;
+
+ if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
+ goto out;
+
+ ret = wl1271_ps_elp_wakeup(wl, false);
+ if (ret < 0)
+ goto out;
+
+ if ((dev->operstate == IF_OPER_UP) &&
+ !test_and_set_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags)) {
+ wl1271_cmd_set_sta_state(wl);
+ wl1271_info("Association completed.");
+ }
+
+ wl1271_ps_elp_sleep(wl);
+
+out:
+ mutex_unlock(&wl->mutex);
+
+ return NOTIFY_OK;
+}
+
static void wl1271_conf_init(struct wl1271 *wl)
{
goto out_free_memmap;
/* Initialize connection monitoring thresholds */
- ret = wl1271_acx_conn_monit_params(wl);
+ ret = wl1271_acx_conn_monit_params(wl, false);
if (ret < 0)
goto out_free_memmap;
if (ret < 0)
goto out_free_memmap;
- /* Default TID configuration */
+ /* Default TID/AC configuration */
+ BUG_ON(wl->conf.tx.tid_conf_count != wl->conf.tx.ac_conf_count);
for (i = 0; i < wl->conf.tx.tid_conf_count; i++) {
+ conf_ac = &wl->conf.tx.ac_conf[i];
+ ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min,
+ conf_ac->cw_max, conf_ac->aifsn,
+ conf_ac->tx_op_limit);
+ if (ret < 0)
+ goto out_free_memmap;
+
conf_tid = &wl->conf.tx.tid_conf[i];
ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id,
conf_tid->channel_type,
goto out_free_memmap;
}
- /* Default AC configuration */
- for (i = 0; i < wl->conf.tx.ac_conf_count; i++) {
- conf_ac = &wl->conf.tx.ac_conf[i];
- ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min,
- conf_ac->cw_max, conf_ac->aifsn,
- conf_ac->tx_op_limit);
- if (ret < 0)
- goto out_free_memmap;
- }
-
/* Enable data path */
ret = wl1271_cmd_data_path(wl, 1);
if (ret < 0)
return ret;
}
-static void wl1271_disable_interrupts(struct wl1271 *wl)
-{
- disable_irq(wl->irq);
-}
-
-static void wl1271_power_off(struct wl1271 *wl)
-{
- wl->set_power(false);
- clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
-}
-
-static void wl1271_power_on(struct wl1271 *wl)
-{
- wl->set_power(true);
- set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
-}
-
static void wl1271_fw_status(struct wl1271 *wl,
struct wl1271_fw_status *status)
{
+ struct timespec ts;
u32 total = 0;
int i;
- wl1271_read(wl, FW_STATUS_ADDR, status, sizeof(*status), false);
+ wl1271_raw_read(wl, FW_STATUS_ADDR, status, sizeof(*status), false);
wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, "
"drv_rx_counter = %d, tx_results_counter = %d)",
ieee80211_queue_work(wl->hw, &wl->tx_work);
/* update the host-chipset time offset */
- wl->time_offset = jiffies_to_usecs(jiffies) -
- le32_to_cpu(status->fw_localtime);
+ getnstimeofday(&ts);
+ wl->time_offset = (timespec_to_ns(&ts) >> 10) -
+ (s64)le32_to_cpu(status->fw_localtime);
}
+#define WL1271_IRQ_MAX_LOOPS 10
+
static void wl1271_irq_work(struct work_struct *work)
{
int ret;
u32 intr;
+ int loopcount = WL1271_IRQ_MAX_LOOPS;
+ unsigned long flags;
struct wl1271 *wl =
container_of(work, struct wl1271, irq_work);
wl1271_debug(DEBUG_IRQ, "IRQ work");
- if (wl->state == WL1271_STATE_OFF)
+ if (unlikely(wl->state == WL1271_STATE_OFF))
goto out;
ret = wl1271_ps_elp_wakeup(wl, true);
if (ret < 0)
goto out;
- wl1271_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
-
- wl1271_fw_status(wl, wl->fw_status);
- intr = le32_to_cpu(wl->fw_status->intr);
- if (!intr) {
- wl1271_debug(DEBUG_IRQ, "Zero interrupt received.");
- goto out_sleep;
- }
+ spin_lock_irqsave(&wl->wl_lock, flags);
+ while (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags) && loopcount) {
+ clear_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags);
+ spin_unlock_irqrestore(&wl->wl_lock, flags);
+ loopcount--;
+
+ wl1271_fw_status(wl, wl->fw_status);
+ intr = le32_to_cpu(wl->fw_status->intr);
+ if (!intr) {
+ wl1271_debug(DEBUG_IRQ, "Zero interrupt received.");
+ spin_lock_irqsave(&wl->wl_lock, flags);
+ continue;
+ }
- intr &= WL1271_INTR_MASK;
+ intr &= WL1271_INTR_MASK;
- if (intr & WL1271_ACX_INTR_EVENT_A) {
- wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A");
- wl1271_event_handle(wl, 0);
- }
+ if (intr & WL1271_ACX_INTR_DATA) {
+ wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA");
- if (intr & WL1271_ACX_INTR_EVENT_B) {
- wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B");
- wl1271_event_handle(wl, 1);
- }
+ /* check for tx results */
+ if (wl->fw_status->tx_results_counter !=
+ (wl->tx_results_count & 0xff))
+ wl1271_tx_complete(wl);
- if (intr & WL1271_ACX_INTR_INIT_COMPLETE)
- wl1271_debug(DEBUG_IRQ,
- "WL1271_ACX_INTR_INIT_COMPLETE");
+ wl1271_rx(wl, wl->fw_status);
+ }
- if (intr & WL1271_ACX_INTR_HW_AVAILABLE)
- wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE");
+ if (intr & WL1271_ACX_INTR_EVENT_A) {
+ wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A");
+ wl1271_event_handle(wl, 0);
+ }
- if (intr & WL1271_ACX_INTR_DATA) {
- u8 tx_res_cnt = wl->fw_status->tx_results_counter -
- wl->tx_results_count;
+ if (intr & WL1271_ACX_INTR_EVENT_B) {
+ wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B");
+ wl1271_event_handle(wl, 1);
+ }
- wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA");
+ if (intr & WL1271_ACX_INTR_INIT_COMPLETE)
+ wl1271_debug(DEBUG_IRQ,
+ "WL1271_ACX_INTR_INIT_COMPLETE");
- /* check for tx results */
- if (tx_res_cnt)
- wl1271_tx_complete(wl, tx_res_cnt);
+ if (intr & WL1271_ACX_INTR_HW_AVAILABLE)
+ wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE");
- wl1271_rx(wl, wl->fw_status);
+ spin_lock_irqsave(&wl->wl_lock, flags);
}
-out_sleep:
- wl1271_write32(wl, ACX_REG_INTERRUPT_MASK,
- WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK));
+ if (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags))
+ ieee80211_queue_work(wl->hw, &wl->irq_work);
+ else
+ clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags);
+ spin_unlock_irqrestore(&wl->wl_lock, flags);
+
wl1271_ps_elp_sleep(wl);
out:
mutex_unlock(&wl->mutex);
}
-static irqreturn_t wl1271_irq(int irq, void *cookie)
-{
- struct wl1271 *wl;
- unsigned long flags;
-
- wl1271_debug(DEBUG_IRQ, "IRQ");
-
- wl = cookie;
-
- /* complete the ELP completion */
- spin_lock_irqsave(&wl->wl_lock, flags);
- if (wl->elp_compl) {
- complete(wl->elp_compl);
- wl->elp_compl = NULL;
- }
-
- ieee80211_queue_work(wl->hw, &wl->irq_work);
- spin_unlock_irqrestore(&wl->wl_lock, flags);
-
- return IRQ_HANDLED;
-}
-
static int wl1271_fetch_firmware(struct wl1271 *wl)
{
const struct firmware *fw;
int ret;
- ret = request_firmware(&fw, WL1271_FW_NAME, &wl->spi->dev);
+ ret = request_firmware(&fw, WL1271_FW_NAME, wl1271_wl_to_dev(wl));
if (ret < 0) {
wl1271_error("could not get firmware: %d", ret);
return ret;
}
-static int wl1271_update_mac_addr(struct wl1271 *wl)
-{
- int ret = 0;
- u8 *nvs_ptr = (u8 *)wl->nvs->nvs;
-
- /* get mac address from the NVS */
- wl->mac_addr[0] = nvs_ptr[11];
- wl->mac_addr[1] = nvs_ptr[10];
- wl->mac_addr[2] = nvs_ptr[6];
- wl->mac_addr[3] = nvs_ptr[5];
- wl->mac_addr[4] = nvs_ptr[4];
- wl->mac_addr[5] = nvs_ptr[3];
-
- /* FIXME: if it is a zero-address, we should bail out. Now, instead,
- we randomize an address */
- if (is_zero_ether_addr(wl->mac_addr)) {
- static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf};
- memcpy(wl->mac_addr, nokia_oui, 3);
- get_random_bytes(wl->mac_addr + 3, 3);
-
- /* update this address to the NVS */
- nvs_ptr[11] = wl->mac_addr[0];
- nvs_ptr[10] = wl->mac_addr[1];
- nvs_ptr[6] = wl->mac_addr[2];
- nvs_ptr[5] = wl->mac_addr[3];
- nvs_ptr[4] = wl->mac_addr[4];
- nvs_ptr[3] = wl->mac_addr[5];
- }
-
- SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr);
-
- return ret;
-}
-
static int wl1271_fetch_nvs(struct wl1271 *wl)
{
const struct firmware *fw;
int ret;
- ret = request_firmware(&fw, WL1271_NVS_NAME, &wl->spi->dev);
+ ret = request_firmware(&fw, WL1271_NVS_NAME, wl1271_wl_to_dev(wl));
if (ret < 0) {
wl1271_error("could not get nvs file: %d", ret);
return ret;
}
- if (fw->size != sizeof(struct wl1271_nvs_file)) {
- wl1271_error("nvs size is not as expected: %zu != %zu",
- fw->size, sizeof(struct wl1271_nvs_file));
- ret = -EILSEQ;
- goto out;
- }
-
- wl->nvs = kmalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL);
+ wl->nvs = kmemdup(fw->data, sizeof(struct wl1271_nvs_file), GFP_KERNEL);
if (!wl->nvs) {
wl1271_error("could not allocate memory for the nvs file");
goto out;
}
- memcpy(wl->nvs, fw->data, sizeof(struct wl1271_nvs_file));
-
- ret = wl1271_update_mac_addr(wl);
+ wl->nvs_len = fw->size;
out:
release_firmware(fw);
return ret;
}
+static void wl1271_recovery_work(struct work_struct *work)
+{
+ struct wl1271 *wl =
+ container_of(work, struct wl1271, recovery_work);
+
+ mutex_lock(&wl->mutex);
+
+ if (wl->state != WL1271_STATE_ON)
+ goto out;
+
+ wl1271_info("Hardware recovery in progress.");
+
+ /* reboot the chipset */
+ __wl1271_op_remove_interface(wl);
+ ieee80211_restart_hw(wl->hw);
+
+out:
+ mutex_unlock(&wl->mutex);
+}
+
static void wl1271_fw_wakeup(struct wl1271 *wl)
{
u32 elp_reg;
INIT_WORK(&wl->irq_work, wl1271_irq_work);
INIT_WORK(&wl->tx_work, wl1271_tx_work);
+ INIT_WORK(&wl->recovery_work, wl1271_recovery_work);
+ INIT_DELAYED_WORK(&wl->scan_complete_work, wl1271_scan_complete_work);
+
return 0;
}
int ret = 0;
msleep(WL1271_PRE_POWER_ON_SLEEP);
- wl1271_power_on(wl);
+ ret = wl1271_power_on(wl);
+ if (ret < 0)
+ goto out;
msleep(WL1271_POWER_ON_SLEEP);
wl1271_io_reset(wl);
wl1271_io_init(wl);
out:
mutex_unlock(&wl->mutex);
+ cancel_work_sync(&wl->irq_work);
+ cancel_work_sync(&wl->recovery_work);
+
return ret;
}
-
static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct wl1271 *wl = hw->priv;
* The workqueue is slow to process the tx_queue and we need stop
* the queue here, otherwise the queue will get too long.
*/
- if (skb_queue_len(&wl->tx_queue) >= WL1271_TX_QUEUE_MAX_LENGTH) {
- ieee80211_stop_queues(wl->hw);
+ if (skb_queue_len(&wl->tx_queue) >= WL1271_TX_QUEUE_HIGH_WATERMARK) {
+ wl1271_debug(DEBUG_TX, "op_tx: stopping queues");
- /*
- * FIXME: this is racy, the variable is not properly
- * protected. Maybe fix this by removing the stupid
- * variable altogether and checking the real queue state?
- */
+ spin_lock_irqsave(&wl->wl_lock, flags);
+ ieee80211_stop_queues(wl->hw);
set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags);
+ spin_unlock_irqrestore(&wl->wl_lock, flags);
}
return NETDEV_TX_OK;
}
-static int wl1271_dev_notify(struct notifier_block *me, unsigned long what,
- void *arg)
+static struct notifier_block wl1271_dev_notifier = {
+ .notifier_call = wl1271_dev_notify,
+};
+
+static int wl1271_op_start(struct ieee80211_hw *hw)
{
- struct net_device *dev;
- struct wireless_dev *wdev;
- struct wiphy *wiphy;
- struct ieee80211_hw *hw;
- struct wl1271 *wl;
- struct wl1271 *wl_temp;
- struct in_device *idev;
- struct in_ifaddr *ifa = arg;
- int ret = 0;
+ wl1271_debug(DEBUG_MAC80211, "mac80211 start");
- /* FIXME: this ugly function should probably be implemented in the
- * mac80211, and here should only be a simple callback handling actual
- * setting of the filters. Now we need to dig up references to
- * various structures to gain access to what we need.
- * Also, because of this, there is no "initial" setting of the filter
- * in "op_start", because we don't want to dig up struct net_device
- * there - the filter will be set upon first change of the interface
- * IP address. */
+ /*
+ * We have to delay the booting of the hardware because
+ * we need to know the local MAC address before downloading and
+ * initializing the firmware. The MAC address cannot be changed
+ * after boot, and without the proper MAC address, the firmware
+ * will not function properly.
+ *
+ * The MAC address is first known when the corresponding interface
+ * is added. That is where we will initialize the hardware.
+ */
- dev = ifa->ifa_dev->dev;
+ return 0;
+}
- wdev = dev->ieee80211_ptr;
- if (wdev == NULL)
- return NOTIFY_DONE;
+static void wl1271_op_stop(struct ieee80211_hw *hw)
+{
+ wl1271_debug(DEBUG_MAC80211, "mac80211 stop");
+}
- wiphy = wdev->wiphy;
- if (wiphy == NULL)
- return NOTIFY_DONE;
+static int wl1271_op_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct wl1271 *wl = hw->priv;
+ struct wiphy *wiphy = hw->wiphy;
+ int retries = WL1271_BOOT_RETRIES;
+ int ret = 0;
- hw = wiphy_priv(wiphy);
- if (hw == NULL)
- return NOTIFY_DONE;
+ wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM",
+ vif->type, vif->addr);
- /* Check that the interface is one supported by this driver. */
- wl_temp = hw->priv;
- list_for_each_entry(wl, &wl_list, list) {
- if (wl == wl_temp)
- break;
+ mutex_lock(&wl->mutex);
+ if (wl->vif) {
+ ret = -EBUSY;
+ goto out;
}
- if (wl == NULL)
- return NOTIFY_DONE;
- /* Get the interface IP address for the device. "ifa" will become
- NULL if:
- - there is no IPV4 protocol address configured
- - there are multiple (virtual) IPV4 addresses configured
- When "ifa" is NULL, filtering will be disabled.
- */
- ifa = NULL;
- idev = dev->ip_ptr;
- if (idev)
- ifa = idev->ifa_list;
-
- if (ifa && ifa->ifa_next)
- ifa = NULL;
-
- mutex_lock(&wl->mutex);
+ wl->vif = vif;
- if (wl->state == WL1271_STATE_OFF)
+ switch (vif->type) {
+ case NL80211_IFTYPE_STATION:
+ wl->bss_type = BSS_TYPE_STA_BSS;
+ wl->set_bss_type = BSS_TYPE_STA_BSS;
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ wl->bss_type = BSS_TYPE_IBSS;
+ wl->set_bss_type = BSS_TYPE_STA_BSS;
+ break;
+ default:
+ ret = -EOPNOTSUPP;
goto out;
+ }
- ret = wl1271_ps_elp_wakeup(wl, false);
- if (ret < 0)
- goto out;
- if (ifa)
- ret = wl1271_acx_arp_ip_filter(wl, true,
- (u8 *)&ifa->ifa_address,
- ACX_IPV4_VERSION);
- else
- ret = wl1271_acx_arp_ip_filter(wl, false, NULL,
- ACX_IPV4_VERSION);
- wl1271_ps_elp_sleep(wl);
-
-out:
- mutex_unlock(&wl->mutex);
-
- return NOTIFY_OK;
-}
-
-static struct notifier_block wl1271_dev_notifier = {
- .notifier_call = wl1271_dev_notify,
-};
-
-
-static int wl1271_op_start(struct ieee80211_hw *hw)
-{
- struct wl1271 *wl = hw->priv;
- int retries = WL1271_BOOT_RETRIES;
- int ret = 0;
-
- wl1271_debug(DEBUG_MAC80211, "mac80211 start");
-
- mutex_lock(&wl->mutex);
+ memcpy(wl->mac_addr, vif->addr, ETH_ALEN);
if (wl->state != WL1271_STATE_OFF) {
wl1271_error("cannot start because not in off state: %d",
wl->state = WL1271_STATE_ON;
wl1271_info("firmware booted (%s)", wl->chip.fw_ver);
+
+ /* update hw/fw version info in wiphy struct */
+ wiphy->hw_version = wl->chip.id;
+ strncpy(wiphy->fw_version, wl->chip.fw_ver,
+ sizeof(wiphy->fw_version));
+
goto out;
irq_disable:
out:
mutex_unlock(&wl->mutex);
- if (!ret) {
+ if (!ret)
list_add(&wl->list, &wl_list);
- register_inetaddr_notifier(&wl1271_dev_notifier);
- }
return ret;
}
-static void wl1271_op_stop(struct ieee80211_hw *hw)
+static void __wl1271_op_remove_interface(struct wl1271 *wl)
{
- struct wl1271 *wl = hw->priv;
int i;
- wl1271_info("down");
+ wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface");
- wl1271_debug(DEBUG_MAC80211, "mac80211 stop");
+ wl1271_info("down");
- unregister_inetaddr_notifier(&wl1271_dev_notifier);
list_del(&wl->list);
- mutex_lock(&wl->mutex);
-
WARN_ON(wl->state != WL1271_STATE_ON);
- if (test_and_clear_bit(WL1271_FLAG_SCANNING, &wl->flags)) {
- mutex_unlock(&wl->mutex);
+ /* enable dyn ps just in case (if left on due to fw crash etc) */
+ if (wl->bss_type == BSS_TYPE_STA_BSS)
+ ieee80211_enable_dyn_ps(wl->vif);
+
+ if (wl->scan.state != WL1271_SCAN_STATE_IDLE) {
+ wl->scan.state = WL1271_SCAN_STATE_IDLE;
+ kfree(wl->scan.scanned_ch);
+ wl->scan.scanned_ch = NULL;
ieee80211_scan_completed(wl->hw, true);
- mutex_lock(&wl->mutex);
}
wl->state = WL1271_STATE_OFF;
mutex_unlock(&wl->mutex);
+ cancel_delayed_work_sync(&wl->scan_complete_work);
cancel_work_sync(&wl->irq_work);
cancel_work_sync(&wl->tx_work);
+ cancel_delayed_work_sync(&wl->pspoll_work);
+ cancel_delayed_work_sync(&wl->elp_work);
mutex_lock(&wl->mutex);
/* let's notify MAC80211 about the remaining pending TX frames */
- wl1271_tx_flush(wl);
+ wl1271_tx_reset(wl);
wl1271_power_off(wl);
memset(wl->bssid, 0, ETH_ALEN);
memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1);
wl->ssid_len = 0;
wl->bss_type = MAX_BSS_TYPE;
+ wl->set_bss_type = MAX_BSS_TYPE;
wl->band = IEEE80211_BAND_2GHZ;
wl->rx_counter = 0;
wl->tx_results_count = 0;
wl->tx_packets_count = 0;
wl->tx_security_last_seq = 0;
- wl->tx_security_seq_16 = 0;
- wl->tx_security_seq_32 = 0;
+ wl->tx_security_seq = 0;
wl->time_offset = 0;
wl->session_counter = 0;
wl->rate_set = CONF_TX_RATE_MASK_BASIC;
wl->sta_rate_set = 0;
wl->flags = 0;
+ wl->vif = NULL;
+ wl->filters = 0;
for (i = 0; i < NUM_TX_QUEUES; i++)
wl->tx_blocks_freed[i] = 0;
wl1271_debugfs_reset(wl);
- mutex_unlock(&wl->mutex);
-}
-
-static int wl1271_op_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif)
-{
- struct wl1271 *wl = hw->priv;
- int ret = 0;
-
- wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM",
- vif->type, vif->addr);
-
- mutex_lock(&wl->mutex);
- if (wl->vif) {
- ret = -EBUSY;
- goto out;
- }
-
- wl->vif = vif;
-
- switch (vif->type) {
- case NL80211_IFTYPE_STATION:
- wl->bss_type = BSS_TYPE_STA_BSS;
- break;
- case NL80211_IFTYPE_ADHOC:
- wl->bss_type = BSS_TYPE_IBSS;
- break;
- default:
- ret = -EOPNOTSUPP;
- goto out;
- }
-
- /* FIXME: what if conf->mac_addr changes? */
-out:
- mutex_unlock(&wl->mutex);
- return ret;
+ kfree(wl->fw_status);
+ wl->fw_status = NULL;
+ kfree(wl->tx_res_if);
+ wl->tx_res_if = NULL;
+ kfree(wl->target_mem_map);
+ wl->target_mem_map = NULL;
}
static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif)
+ struct ieee80211_vif *vif)
{
struct wl1271 *wl = hw->priv;
mutex_lock(&wl->mutex);
- wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface");
- wl->vif = NULL;
+ WARN_ON(wl->vif != vif);
+ __wl1271_op_remove_interface(wl);
mutex_unlock(&wl->mutex);
+
+ cancel_work_sync(&wl->recovery_work);
}
-#if 0
-static int wl1271_op_config_interface(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_if_conf *conf)
+static void wl1271_configure_filters(struct wl1271 *wl, unsigned int filters)
{
- struct wl1271 *wl = hw->priv;
- struct sk_buff *beacon;
- int ret;
-
- wl1271_debug(DEBUG_MAC80211, "mac80211 config_interface bssid %pM",
- conf->bssid);
- wl1271_dump_ascii(DEBUG_MAC80211, "ssid: ", conf->ssid,
- conf->ssid_len);
-
- mutex_lock(&wl->mutex);
-
- ret = wl1271_ps_elp_wakeup(wl, false);
- if (ret < 0)
- goto out;
-
- if (memcmp(wl->bssid, conf->bssid, ETH_ALEN)) {
- wl1271_debug(DEBUG_MAC80211, "bssid changed");
+ wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
+ wl->rx_filter = WL1271_DEFAULT_RX_FILTER;
- memcpy(wl->bssid, conf->bssid, ETH_ALEN);
+ /* combine requested filters with current filter config */
+ filters = wl->filters | filters;
- ret = wl1271_cmd_join(wl);
- if (ret < 0)
- goto out_sleep;
+ wl1271_debug(DEBUG_FILTERS, "RX filters set: ");
- ret = wl1271_cmd_build_null_data(wl);
- if (ret < 0)
- goto out_sleep;
+ if (filters & FIF_PROMISC_IN_BSS) {
+ wl1271_debug(DEBUG_FILTERS, " - FIF_PROMISC_IN_BSS");
+ wl->rx_config &= ~CFG_UNI_FILTER_EN;
+ wl->rx_config |= CFG_BSSID_FILTER_EN;
}
+ if (filters & FIF_BCN_PRBRESP_PROMISC) {
+ wl1271_debug(DEBUG_FILTERS, " - FIF_BCN_PRBRESP_PROMISC");
+ wl->rx_config &= ~CFG_BSSID_FILTER_EN;
+ wl->rx_config &= ~CFG_SSID_FILTER_EN;
+ }
+ if (filters & FIF_OTHER_BSS) {
+ wl1271_debug(DEBUG_FILTERS, " - FIF_OTHER_BSS");
+ wl->rx_config &= ~CFG_BSSID_FILTER_EN;
+ }
+ if (filters & FIF_CONTROL) {
+ wl1271_debug(DEBUG_FILTERS, " - FIF_CONTROL");
+ wl->rx_filter |= CFG_RX_CTL_EN;
+ }
+ if (filters & FIF_FCSFAIL) {
+ wl1271_debug(DEBUG_FILTERS, " - FIF_FCSFAIL");
+ wl->rx_filter |= CFG_RX_FCS_ERROR;
+ }
+}
- wl->ssid_len = conf->ssid_len;
- if (wl->ssid_len)
- memcpy(wl->ssid, conf->ssid, wl->ssid_len);
-
- if (conf->changed & IEEE80211_IFCC_BEACON) {
- beacon = ieee80211_beacon_get(hw, vif);
- ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON,
- beacon->data, beacon->len);
-
- if (ret < 0) {
- dev_kfree_skb(beacon);
- goto out_sleep;
- }
+static int wl1271_dummy_join(struct wl1271 *wl)
+{
+ int ret = 0;
+ /* we need to use a dummy BSSID for now */
+ static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde,
+ 0xad, 0xbe, 0xef };
- ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE,
- beacon->data, beacon->len);
+ memcpy(wl->bssid, dummy_bssid, ETH_ALEN);
- dev_kfree_skb(beacon);
+ /* pass through frames from all BSS */
+ wl1271_configure_filters(wl, FIF_OTHER_BSS);
- if (ret < 0)
- goto out_sleep;
- }
+ ret = wl1271_cmd_join(wl, wl->set_bss_type);
+ if (ret < 0)
+ goto out;
-out_sleep:
- wl1271_ps_elp_sleep(wl);
+ set_bit(WL1271_FLAG_JOINED, &wl->flags);
out:
- mutex_unlock(&wl->mutex);
-
return ret;
}
-#endif
-static int wl1271_join_channel(struct wl1271 *wl, int channel)
+static int wl1271_join(struct wl1271 *wl, bool set_assoc)
{
- int ret = 0;
- /* we need to use a dummy BSSID for now */
- static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde,
- 0xad, 0xbe, 0xef };
+ int ret;
+
+ /*
+ * One of the side effects of the JOIN command is that is clears
+ * WPA/WPA2 keys from the chipset. Performing a JOIN while associated
+ * to a WPA/WPA2 access point will therefore kill the data-path.
+ * Currently there is no supported scenario for JOIN during
+ * association - if it becomes a supported scenario, the WPA/WPA2 keys
+ * must be handled somehow.
+ *
+ */
+ if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
+ wl1271_info("JOIN while associated.");
- /* the dummy join is not required for ad-hoc */
- if (wl->bss_type == BSS_TYPE_IBSS)
+ if (set_assoc)
+ set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags);
+
+ ret = wl1271_cmd_join(wl, wl->set_bss_type);
+ if (ret < 0)
goto out;
- /* disable mac filter, so we hear everything */
- wl->rx_config &= ~CFG_BSSID_FILTER_EN;
+ set_bit(WL1271_FLAG_JOINED, &wl->flags);
- wl->channel = channel;
- memcpy(wl->bssid, dummy_bssid, ETH_ALEN);
+ if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
+ goto out;
- ret = wl1271_cmd_join(wl);
+ /*
+ * The join command disable the keep-alive mode, shut down its process,
+ * and also clear the template config, so we need to reset it all after
+ * the join. The acx_aid starts the keep-alive process, and the order
+ * of the commands below is relevant.
+ */
+ ret = wl1271_acx_keep_alive_mode(wl, true);
if (ret < 0)
goto out;
- set_bit(WL1271_FLAG_JOINED, &wl->flags);
+ ret = wl1271_acx_aid(wl, wl->aid);
+ if (ret < 0)
+ goto out;
+
+ ret = wl1271_cmd_build_klv_null_data(wl);
+ if (ret < 0)
+ goto out;
+
+ ret = wl1271_acx_keep_alive_config(wl, CMD_TEMPL_KLV_IDX_NULL_DATA,
+ ACX_KEEP_ALIVE_TPL_VALID);
+ if (ret < 0)
+ goto out;
out:
return ret;
}
-static int wl1271_unjoin_channel(struct wl1271 *wl)
+static int wl1271_unjoin(struct wl1271 *wl)
{
int ret;
goto out;
clear_bit(WL1271_FLAG_JOINED, &wl->flags);
- wl->channel = 0;
memset(wl->bssid, 0, ETH_ALEN);
- wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
+
+ /* stop filterting packets based on bssid */
+ wl1271_configure_filters(wl, FIF_OTHER_BSS);
+
+out:
+ return ret;
+}
+
+static void wl1271_set_band_rate(struct wl1271 *wl)
+{
+ if (wl->band == IEEE80211_BAND_2GHZ)
+ wl->basic_rate_set = wl->conf.tx.basic_rate;
+ else
+ wl->basic_rate_set = wl->conf.tx.basic_rate_5;
+}
+
+static u32 wl1271_min_rate_get(struct wl1271 *wl)
+{
+ int i;
+ u32 rate = 0;
+
+ if (!wl->basic_rate_set) {
+ WARN_ON(1);
+ wl->basic_rate_set = wl->conf.tx.basic_rate;
+ }
+
+ for (i = 0; !rate; i++) {
+ if ((wl->basic_rate_set >> i) & 0x1)
+ rate = 1 << i;
+ }
+
+ return rate;
+}
+
+static int wl1271_handle_idle(struct wl1271 *wl, bool idle)
+{
+ int ret;
+
+ if (idle) {
+ if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) {
+ ret = wl1271_unjoin(wl);
+ if (ret < 0)
+ goto out;
+ }
+ wl->rate_set = wl1271_min_rate_get(wl);
+ wl->sta_rate_set = 0;
+ ret = wl1271_acx_rate_policies(wl);
+ if (ret < 0)
+ goto out;
+ ret = wl1271_acx_keep_alive_config(
+ wl, CMD_TEMPL_KLV_IDX_NULL_DATA,
+ ACX_KEEP_ALIVE_TPL_INVALID);
+ if (ret < 0)
+ goto out;
+ set_bit(WL1271_FLAG_IDLE, &wl->flags);
+ } else {
+ /* increment the session counter */
+ wl->session_counter++;
+ if (wl->session_counter >= SESSION_COUNTER_MAX)
+ wl->session_counter = 0;
+ ret = wl1271_dummy_join(wl);
+ if (ret < 0)
+ goto out;
+ clear_bit(WL1271_FLAG_IDLE, &wl->flags);
+ }
out:
return ret;
conf->power_level,
conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use");
+ /*
+ * mac80211 will go to idle nearly immediately after transmitting some
+ * frames, such as the deauth. To make sure those frames reach the air,
+ * wait here until the TX queue is fully flushed.
+ */
+ if ((changed & IEEE80211_CONF_CHANGE_IDLE) &&
+ (conf->flags & IEEE80211_CONF_IDLE))
+ wl1271_tx_flush(wl);
+
mutex_lock(&wl->mutex);
- wl->band = conf->channel->band;
+ if (unlikely(wl->state == WL1271_STATE_OFF))
+ goto out;
ret = wl1271_ps_elp_wakeup(wl, false);
if (ret < 0)
goto out;
- if (changed & IEEE80211_CONF_CHANGE_IDLE) {
- if (conf->flags & IEEE80211_CONF_IDLE &&
- test_bit(WL1271_FLAG_JOINED, &wl->flags))
- wl1271_unjoin_channel(wl);
- else if (!(conf->flags & IEEE80211_CONF_IDLE))
- wl1271_join_channel(wl, channel);
-
- if (conf->flags & IEEE80211_CONF_IDLE) {
- wl->rate_set = CONF_TX_RATE_MASK_BASIC;
- wl->sta_rate_set = 0;
- wl1271_acx_rate_policies(wl);
+ /* if the channel changes while joined, join again */
+ if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
+ ((wl->band != conf->channel->band) ||
+ (wl->channel != channel))) {
+ wl->band = conf->channel->band;
+ wl->channel = channel;
+
+ /*
+ * FIXME: the mac80211 should really provide a fixed rate
+ * to use here. for now, just use the smallest possible rate
+ * for the band as a fixed rate for association frames and
+ * other control messages.
+ */
+ if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
+ wl1271_set_band_rate(wl);
+
+ wl->basic_rate = wl1271_min_rate_get(wl);
+ ret = wl1271_acx_rate_policies(wl);
+ if (ret < 0)
+ wl1271_warning("rate policy for update channel "
+ "failed %d", ret);
+
+ if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) {
+ ret = wl1271_join(wl, false);
+ if (ret < 0)
+ wl1271_warning("cmd join to update channel "
+ "failed %d", ret);
}
}
- /* if the channel changes while joined, join again */
- if (channel != wl->channel &&
- test_bit(WL1271_FLAG_JOINED, &wl->flags)) {
- wl->channel = channel;
- /* FIXME: maybe use CMD_CHANNEL_SWITCH for this? */
- ret = wl1271_cmd_join(wl);
+ if (changed & IEEE80211_CONF_CHANGE_IDLE) {
+ ret = wl1271_handle_idle(wl, conf->flags & IEEE80211_CONF_IDLE);
if (ret < 0)
- wl1271_warning("cmd join to update channel failed %d",
- ret);
- } else
- wl->channel = channel;
+ wl1271_warning("idle mode change failed %d", ret);
+ }
+
+ /*
+ * if mac80211 changes the PSM mode, make sure the mode is not
+ * incorrectly changed after the pspoll failure active window.
+ */
+ if (changed & IEEE80211_CONF_CHANGE_PS)
+ clear_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags);
if (conf->flags & IEEE80211_CONF_PS &&
!test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) {
* through the bss_info_changed() hook.
*/
if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) {
- wl1271_info("psm enabled");
+ wl1271_debug(DEBUG_PSM, "psm enabled");
ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE,
- true);
+ wl->basic_rate_set, true);
}
} else if (!(conf->flags & IEEE80211_CONF_PS) &&
test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) {
- wl1271_info("psm disabled");
+ wl1271_debug(DEBUG_PSM, "psm disabled");
clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags);
if (test_bit(WL1271_FLAG_PSM, &wl->flags))
ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE,
- true);
+ wl->basic_rate_set, true);
}
if (conf->power_level != wl->power_level) {
u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN];
};
-static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, int mc_count,
- struct dev_addr_list *mc_list)
+static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw,
+ struct netdev_hw_addr_list *mc_list)
{
struct wl1271_filter_params *fp;
- int i;
+ struct netdev_hw_addr *ha;
+ struct wl1271 *wl = hw->priv;
+
+ if (unlikely(wl->state == WL1271_STATE_OFF))
+ return 0;
fp = kzalloc(sizeof(*fp), GFP_ATOMIC);
if (!fp) {
}
/* update multicast filtering parameters */
- fp->enabled = true;
- if (mc_count > ACX_MC_ADDRESS_GROUP_MAX) {
- mc_count = 0;
- fp->enabled = false;
- }
-
fp->mc_list_length = 0;
- for (i = 0; i < mc_count; i++) {
- if (mc_list->da_addrlen == ETH_ALEN) {
+ if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) {
+ fp->enabled = false;
+ } else {
+ fp->enabled = true;
+ netdev_hw_addr_list_for_each(ha, mc_list) {
memcpy(fp->mc_list[fp->mc_list_length],
- mc_list->da_addr, ETH_ALEN);
+ ha->addr, ETH_ALEN);
fp->mc_list_length++;
- } else
- wl1271_warning("Unknown mc address length.");
- mc_list = mc_list->next;
+ }
}
return (u64)(unsigned long)fp;
mutex_lock(&wl->mutex);
- if (wl->state == WL1271_STATE_OFF)
+ *total &= WL1271_SUPPORTED_FILTERS;
+ changed &= WL1271_SUPPORTED_FILTERS;
+
+ if (unlikely(wl->state == WL1271_STATE_OFF))
goto out;
ret = wl1271_ps_elp_wakeup(wl, false);
if (ret < 0)
goto out;
- *total &= WL1271_SUPPORTED_FILTERS;
- changed &= WL1271_SUPPORTED_FILTERS;
if (*total & FIF_ALLMULTI)
ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0);
if (ret < 0)
goto out_sleep;
- kfree(fp);
-
- /* FIXME: We still need to set our filters properly */
-
/* determine, whether supported filter values have changed */
if (changed == 0)
goto out_sleep;
+ /* configure filters */
+ wl->filters = *total;
+ wl1271_configure_filters(wl, 0);
+
/* apply configured filters */
ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter);
if (ret < 0)
out:
mutex_unlock(&wl->mutex);
+ kfree(fp);
}
static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd);
wl1271_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN);
wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x",
- key_conf->alg, key_conf->keyidx,
+ key_conf->cipher, key_conf->keyidx,
key_conf->keylen, key_conf->flags);
wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen);
if (ret < 0)
goto out_unlock;
- switch (key_conf->alg) {
- case ALG_WEP:
+ switch (key_conf->cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
key_type = KEY_WEP;
key_conf->hw_key_idx = key_conf->keyidx;
break;
- case ALG_TKIP:
+ case WLAN_CIPHER_SUITE_TKIP:
key_type = KEY_TKIP;
key_conf->hw_key_idx = key_conf->keyidx;
- tx_seq_32 = wl->tx_security_seq_32;
- tx_seq_16 = wl->tx_security_seq_16;
+ tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq);
+ tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq);
break;
- case ALG_CCMP:
+ case WLAN_CIPHER_SUITE_CCMP:
key_type = KEY_AES;
key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
- tx_seq_32 = wl->tx_security_seq_32;
- tx_seq_16 = wl->tx_security_seq_16;
+ tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq);
+ tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq);
break;
default:
- wl1271_error("Unknown key algo 0x%x", key_conf->alg);
+ wl1271_error("Unknown key algo 0x%x", key_conf->cipher);
ret = -EOPNOTSUPP;
goto out_sleep;
default:
wl1271_error("Unsupported key cmd 0x%x", cmd);
ret = -EOPNOTSUPP;
- goto out_sleep;
-
break;
}
}
static int wl1271_op_hw_scan(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
struct cfg80211_scan_request *req)
{
struct wl1271 *wl = hw->priv;
if (ret < 0)
goto out;
- if (wl1271_11a_enabled())
- ret = wl1271_cmd_scan(hw->priv, ssid, len, 1, 0,
- WL1271_SCAN_BAND_DUAL, 3);
- else
- ret = wl1271_cmd_scan(hw->priv, ssid, len, 1, 0,
- WL1271_SCAN_BAND_2_4_GHZ, 3);
+ ret = wl1271_scan(hw->priv, ssid, len, req);
wl1271_ps_elp_sleep(wl);
static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
{
struct wl1271 *wl = hw->priv;
- int ret;
+ int ret = 0;
mutex_lock(&wl->mutex);
+ if (unlikely(wl->state == WL1271_STATE_OFF))
+ goto out;
+
ret = wl1271_ps_elp_wakeup(wl, false);
if (ret < 0)
goto out;
enum wl1271_cmd_ps_mode mode;
struct wl1271 *wl = hw->priv;
bool do_join = false;
+ bool set_assoc = false;
int ret;
wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed");
if (ret < 0)
goto out;
- if (wl->bss_type == BSS_TYPE_IBSS) {
- /* FIXME: This implements rudimentary ad-hoc support -
- proper templates are on the wish list and notification
- on when they change. This patch will update the templates
- on every call to this function. */
+ if ((changed & BSS_CHANGED_BEACON_INT) &&
+ (wl->bss_type == BSS_TYPE_IBSS)) {
+ wl1271_debug(DEBUG_ADHOC, "ad-hoc beacon interval updated: %d",
+ bss_conf->beacon_int);
+
+ wl->beacon_int = bss_conf->beacon_int;
+ do_join = true;
+ }
+
+ if ((changed & BSS_CHANGED_BEACON) &&
+ (wl->bss_type == BSS_TYPE_IBSS)) {
struct sk_buff *beacon = ieee80211_beacon_get(hw, vif);
+ wl1271_debug(DEBUG_ADHOC, "ad-hoc beacon updated");
+
if (beacon) {
struct ieee80211_hdr *hdr;
wl1271_ssid_set(wl, beacon);
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON,
beacon->data,
- beacon->len);
+ beacon->len, 0,
+ wl1271_min_rate_get(wl));
if (ret < 0) {
dev_kfree_skb(beacon);
ret = wl1271_cmd_template_set(wl,
CMD_TEMPL_PROBE_RESPONSE,
beacon->data,
- beacon->len);
+ beacon->len, 0,
+ wl1271_min_rate_get(wl));
dev_kfree_skb(beacon);
if (ret < 0)
goto out_sleep;
}
}
+ if ((changed & BSS_CHANGED_BEACON_ENABLED) &&
+ (wl->bss_type == BSS_TYPE_IBSS)) {
+ wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s",
+ bss_conf->enable_beacon ? "enabled" : "disabled");
+
+ if (bss_conf->enable_beacon)
+ wl->set_bss_type = BSS_TYPE_IBSS;
+ else
+ wl->set_bss_type = BSS_TYPE_STA_BSS;
+ do_join = true;
+ }
+
+ if (changed & BSS_CHANGED_CQM) {
+ bool enable = false;
+ if (bss_conf->cqm_rssi_thold)
+ enable = true;
+ ret = wl1271_acx_rssi_snr_trigger(wl, enable,
+ bss_conf->cqm_rssi_thold,
+ bss_conf->cqm_rssi_hyst);
+ if (ret < 0)
+ goto out;
+ wl->rssi_thold = bss_conf->cqm_rssi_thold;
+ }
+
if ((changed & BSS_CHANGED_BSSID) &&
/*
* Now we know the correct bssid, so we send a new join command
* and enable the BSSID filter
*/
memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) {
- wl->rx_config |= CFG_BSSID_FILTER_EN;
memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN);
+
ret = wl1271_cmd_build_null_data(wl);
- if (ret < 0) {
- wl1271_warning("cmd buld null data failed %d",
- ret);
+ if (ret < 0)
goto out_sleep;
- }
+
+ ret = wl1271_build_qos_null_data(wl);
+ if (ret < 0)
+ goto out_sleep;
+
+ /* filter out all packets not from this BSSID */
+ wl1271_configure_filters(wl, 0);
/* Need to update the BSSID (for filtering etc) */
do_join = true;
if (changed & BSS_CHANGED_ASSOC) {
if (bss_conf->assoc) {
+ u32 rates;
wl->aid = bss_conf->aid;
- set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags);
+ set_assoc = true;
+
+ wl->ps_poll_failures = 0;
/*
- * with wl1271, we don't need to update the
- * beacon_int and dtim_period, because the firmware
- * updates it by itself when the first beacon is
+ * use basic rates from AP, and determine lowest rate
+ * to use with control frames.
+ */
+ rates = bss_conf->basic_rates;
+ wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl,
+ rates);
+ wl->basic_rate = wl1271_min_rate_get(wl);
+ ret = wl1271_acx_rate_policies(wl);
+ if (ret < 0)
+ goto out_sleep;
+
+ /*
+ * with wl1271, we don't need to update the
+ * beacon_int and dtim_period, because the firmware
+ * updates it by itself when the first beacon is
* received after a join.
*/
ret = wl1271_cmd_build_ps_poll(wl, wl->aid);
if (ret < 0)
goto out_sleep;
- ret = wl1271_acx_aid(wl, wl->aid);
+ /*
+ * The SSID is intentionally set to NULL here - the
+ * firmware will set the probe request with a
+ * broadcast SSID regardless of what we set in the
+ * template.
+ */
+ ret = wl1271_cmd_build_probe_req(wl, NULL, 0,
+ NULL, 0, wl->band);
+
+ /* enable the connection monitoring feature */
+ ret = wl1271_acx_conn_monit_params(wl, true);
if (ret < 0)
goto out_sleep;
if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) &&
!test_bit(WL1271_FLAG_PSM, &wl->flags)) {
mode = STATION_POWER_SAVE_MODE;
- ret = wl1271_ps_set_mode(wl, mode, true);
+ ret = wl1271_ps_set_mode(wl, mode,
+ wl->basic_rate_set,
+ true);
if (ret < 0)
goto out_sleep;
}
} else {
/* use defaults when not associated */
+ clear_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags);
clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags);
wl->aid = 0;
+
+ /* re-enable dynamic ps - just in case */
+ ieee80211_enable_dyn_ps(wl->vif);
+
+ /* revert back to minimum rates for the current band */
+ wl1271_set_band_rate(wl);
+ wl->basic_rate = wl1271_min_rate_get(wl);
+ ret = wl1271_acx_rate_policies(wl);
+ if (ret < 0)
+ goto out_sleep;
+
+ /* disable connection monitor features */
+ ret = wl1271_acx_conn_monit_params(wl, false);
+
+ /* Disable the keep-alive feature */
+ ret = wl1271_acx_keep_alive_mode(wl, false);
+
+ if (ret < 0)
+ goto out_sleep;
}
}
}
}
+ if (changed & BSS_CHANGED_ARP_FILTER) {
+ __be32 addr = bss_conf->arp_addr_list[0];
+ WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS);
+
+ if (bss_conf->arp_addr_cnt == 1 && bss_conf->arp_filter_enabled)
+ ret = wl1271_acx_arp_ip_filter(wl, true, addr);
+ else
+ ret = wl1271_acx_arp_ip_filter(wl, false, addr);
+
+ if (ret < 0)
+ goto out_sleep;
+ }
+
if (do_join) {
- ret = wl1271_cmd_join(wl);
+ ret = wl1271_join(wl, set_assoc);
if (ret < 0) {
wl1271_warning("cmd join failed %d", ret);
goto out_sleep;
}
- set_bit(WL1271_FLAG_JOINED, &wl->flags);
}
out_sleep:
const struct ieee80211_tx_queue_params *params)
{
struct wl1271 *wl = hw->priv;
+ u8 ps_scheme;
int ret;
mutex_lock(&wl->mutex);
if (ret < 0)
goto out;
+ /* the txop is confed in units of 32us by the mac80211, we need us */
ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue),
params->cw_min, params->cw_max,
- params->aifs, params->txop);
+ params->aifs, params->txop << 5);
if (ret < 0)
goto out_sleep;
+ if (params->uapsd)
+ ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER;
+ else
+ ps_scheme = CONF_PS_SCHEME_LEGACY;
+
ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue),
CONF_CHANNEL_TYPE_EDCF,
wl1271_tx_get_queue(queue),
- CONF_PS_SCHEME_LEGACY_PSPOLL,
- CONF_ACK_POLICY_LEGACY, 0, 0);
+ ps_scheme, CONF_ACK_POLICY_LEGACY, 0, 0);
if (ret < 0)
goto out_sleep;
return ret;
}
+static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw)
+{
+
+ struct wl1271 *wl = hw->priv;
+ u64 mactime = ULLONG_MAX;
+ int ret;
+
+ wl1271_debug(DEBUG_MAC80211, "mac80211 get tsf");
+
+ mutex_lock(&wl->mutex);
+
+ ret = wl1271_ps_elp_wakeup(wl, false);
+ if (ret < 0)
+ goto out;
+
+ ret = wl1271_acx_tsf_info(wl, &mactime);
+ if (ret < 0)
+ goto out_sleep;
+
+out_sleep:
+ wl1271_ps_elp_sleep(wl);
+
+out:
+ mutex_unlock(&wl->mutex);
+ return mactime;
+}
+
+static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx,
+ struct survey_info *survey)
+{
+ struct wl1271 *wl = hw->priv;
+ struct ieee80211_conf *conf = &hw->conf;
+
+ if (idx != 0)
+ return -ENOENT;
+
+ survey->channel = conf->channel;
+ survey->filled = SURVEY_INFO_NOISE_DBM;
+ survey->noise = wl->noise;
+
+ return 0;
+}
/* can't be const, mac80211 writes to this */
static struct ieee80211_rate wl1271_rates[] = {
.hw_value_short = CONF_HW_BIT_RATE_54MBPS, },
};
-/* can't be const, mac80211 writes to this */
+/*
+ * Can't be const, mac80211 writes to this. The order of the channels here
+ * is designed to improve scanning.
+ */
static struct ieee80211_channel wl1271_channels[] = {
{ .hw_value = 1, .center_freq = 2412, .max_power = 25 },
- { .hw_value = 2, .center_freq = 2417, .max_power = 25 },
- { .hw_value = 3, .center_freq = 2422, .max_power = 25 },
- { .hw_value = 4, .center_freq = 2427, .max_power = 25 },
{ .hw_value = 5, .center_freq = 2432, .max_power = 25 },
- { .hw_value = 6, .center_freq = 2437, .max_power = 25 },
- { .hw_value = 7, .center_freq = 2442, .max_power = 25 },
- { .hw_value = 8, .center_freq = 2447, .max_power = 25 },
{ .hw_value = 9, .center_freq = 2452, .max_power = 25 },
- { .hw_value = 10, .center_freq = 2457, .max_power = 25 },
- { .hw_value = 11, .center_freq = 2462, .max_power = 25 },
- { .hw_value = 12, .center_freq = 2467, .max_power = 25 },
{ .hw_value = 13, .center_freq = 2472, .max_power = 25 },
+ { .hw_value = 4, .center_freq = 2427, .max_power = 25 },
+ { .hw_value = 8, .center_freq = 2447, .max_power = 25 },
+ { .hw_value = 12, .center_freq = 2467, .max_power = 25 },
+ { .hw_value = 3, .center_freq = 2422, .max_power = 25 },
+ { .hw_value = 7, .center_freq = 2442, .max_power = 25 },
+ { .hw_value = 11, .center_freq = 2462, .max_power = 25 },
+ { .hw_value = 2, .center_freq = 2417, .max_power = 25 },
+ { .hw_value = 6, .center_freq = 2437, .max_power = 25 },
+ { .hw_value = 10, .center_freq = 2457, .max_power = 25 },
+};
+
+/* mapping to indexes for wl1271_rates */
+static const u8 wl1271_rate_to_idx_2ghz[] = {
+ /* MCS rates are used only with 11n */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */
+
+ 11, /* CONF_HW_RXTX_RATE_54 */
+ 10, /* CONF_HW_RXTX_RATE_48 */
+ 9, /* CONF_HW_RXTX_RATE_36 */
+ 8, /* CONF_HW_RXTX_RATE_24 */
+
+ /* TI-specific rate */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */
+
+ 7, /* CONF_HW_RXTX_RATE_18 */
+ 6, /* CONF_HW_RXTX_RATE_12 */
+ 3, /* CONF_HW_RXTX_RATE_11 */
+ 5, /* CONF_HW_RXTX_RATE_9 */
+ 4, /* CONF_HW_RXTX_RATE_6 */
+ 2, /* CONF_HW_RXTX_RATE_5_5 */
+ 1, /* CONF_HW_RXTX_RATE_2 */
+ 0 /* CONF_HW_RXTX_RATE_1 */
};
/* can't be const, mac80211 writes to this */
.hw_value_short = CONF_HW_BIT_RATE_54MBPS, },
};
-/* 5 GHz band channels for WL1273 */
+/*
+ * 5 GHz band channels for WL1273 - can't be const, mac80211 writes to this.
+ * The order of the channels here is designed to improve scanning.
+ */
static struct ieee80211_channel wl1271_channels_5ghz[] = {
{ .hw_value = 183, .center_freq = 4915},
- { .hw_value = 184, .center_freq = 4920},
- { .hw_value = 185, .center_freq = 4925},
- { .hw_value = 187, .center_freq = 4935},
{ .hw_value = 188, .center_freq = 4940},
- { .hw_value = 189, .center_freq = 4945},
- { .hw_value = 192, .center_freq = 4960},
- { .hw_value = 196, .center_freq = 4980},
- { .hw_value = 7, .center_freq = 5035},
{ .hw_value = 8, .center_freq = 5040},
- { .hw_value = 9, .center_freq = 5045},
- { .hw_value = 11, .center_freq = 5055},
- { .hw_value = 12, .center_freq = 5060},
- { .hw_value = 16, .center_freq = 5080},
{ .hw_value = 34, .center_freq = 5170},
- { .hw_value = 36, .center_freq = 5180},
- { .hw_value = 38, .center_freq = 5190},
- { .hw_value = 40, .center_freq = 5200},
- { .hw_value = 42, .center_freq = 5210},
{ .hw_value = 44, .center_freq = 5220},
- { .hw_value = 46, .center_freq = 5230},
- { .hw_value = 48, .center_freq = 5240},
- { .hw_value = 52, .center_freq = 5260},
- { .hw_value = 56, .center_freq = 5280},
{ .hw_value = 60, .center_freq = 5300},
- { .hw_value = 64, .center_freq = 5320},
- { .hw_value = 100, .center_freq = 5500},
- { .hw_value = 104, .center_freq = 5520},
- { .hw_value = 108, .center_freq = 5540},
{ .hw_value = 112, .center_freq = 5560},
- { .hw_value = 116, .center_freq = 5580},
- { .hw_value = 120, .center_freq = 5600},
- { .hw_value = 124, .center_freq = 5620},
- { .hw_value = 128, .center_freq = 5640},
{ .hw_value = 132, .center_freq = 5660},
+ { .hw_value = 157, .center_freq = 5785},
+ { .hw_value = 184, .center_freq = 4920},
+ { .hw_value = 189, .center_freq = 4945},
+ { .hw_value = 9, .center_freq = 5045},
+ { .hw_value = 36, .center_freq = 5180},
+ { .hw_value = 46, .center_freq = 5230},
+ { .hw_value = 64, .center_freq = 5320},
+ { .hw_value = 116, .center_freq = 5580},
{ .hw_value = 136, .center_freq = 5680},
+ { .hw_value = 192, .center_freq = 4960},
+ { .hw_value = 11, .center_freq = 5055},
+ { .hw_value = 38, .center_freq = 5190},
+ { .hw_value = 48, .center_freq = 5240},
+ { .hw_value = 100, .center_freq = 5500},
+ { .hw_value = 120, .center_freq = 5600},
{ .hw_value = 140, .center_freq = 5700},
+ { .hw_value = 185, .center_freq = 4925},
+ { .hw_value = 196, .center_freq = 4980},
+ { .hw_value = 12, .center_freq = 5060},
+ { .hw_value = 40, .center_freq = 5200},
+ { .hw_value = 52, .center_freq = 5260},
+ { .hw_value = 104, .center_freq = 5520},
+ { .hw_value = 124, .center_freq = 5620},
{ .hw_value = 149, .center_freq = 5745},
- { .hw_value = 153, .center_freq = 5765},
- { .hw_value = 157, .center_freq = 5785},
{ .hw_value = 161, .center_freq = 5805},
+ { .hw_value = 187, .center_freq = 4935},
+ { .hw_value = 7, .center_freq = 5035},
+ { .hw_value = 16, .center_freq = 5080},
+ { .hw_value = 42, .center_freq = 5210},
+ { .hw_value = 56, .center_freq = 5280},
+ { .hw_value = 108, .center_freq = 5540},
+ { .hw_value = 128, .center_freq = 5640},
+ { .hw_value = 153, .center_freq = 5765},
{ .hw_value = 165, .center_freq = 5825},
};
+/* mapping to indexes for wl1271_rates_5ghz */
+static const u8 wl1271_rate_to_idx_5ghz[] = {
+ /* MCS rates are used only with 11n */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */
+
+ 7, /* CONF_HW_RXTX_RATE_54 */
+ 6, /* CONF_HW_RXTX_RATE_48 */
+ 5, /* CONF_HW_RXTX_RATE_36 */
+ 4, /* CONF_HW_RXTX_RATE_24 */
+
+ /* TI-specific rate */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */
+
+ 3, /* CONF_HW_RXTX_RATE_18 */
+ 2, /* CONF_HW_RXTX_RATE_12 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_11 */
+ 1, /* CONF_HW_RXTX_RATE_9 */
+ 0, /* CONF_HW_RXTX_RATE_6 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_5_5 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_2 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED /* CONF_HW_RXTX_RATE_1 */
+};
static struct ieee80211_supported_band wl1271_band_5ghz = {
.channels = wl1271_channels_5ghz,
.n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz),
};
+static const u8 *wl1271_band_rate_to_idx[] = {
+ [IEEE80211_BAND_2GHZ] = wl1271_rate_to_idx_2ghz,
+ [IEEE80211_BAND_5GHZ] = wl1271_rate_to_idx_5ghz
+};
+
static const struct ieee80211_ops wl1271_ops = {
.start = wl1271_op_start,
.stop = wl1271_op_stop,
.add_interface = wl1271_op_add_interface,
.remove_interface = wl1271_op_remove_interface,
.config = wl1271_op_config,
-/* .config_interface = wl1271_op_config_interface, */
.prepare_multicast = wl1271_op_prepare_multicast,
.configure_filter = wl1271_op_configure_filter,
.tx = wl1271_op_tx,
.bss_info_changed = wl1271_op_bss_info_changed,
.set_rts_threshold = wl1271_op_set_rts_threshold,
.conf_tx = wl1271_op_conf_tx,
+ .get_tsf = wl1271_op_get_tsf,
+ .get_survey = wl1271_op_get_survey,
CFG80211_TESTMODE_CMD(wl1271_tm_cmd)
};
-static int wl1271_register_hw(struct wl1271 *wl)
+
+u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate)
+{
+ u8 idx;
+
+ BUG_ON(wl->band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *));
+
+ if (unlikely(rate >= CONF_HW_RXTX_RATE_MAX)) {
+ wl1271_error("Illegal RX rate from HW: %d", rate);
+ return 0;
+ }
+
+ idx = wl1271_band_rate_to_idx[wl->band][rate];
+ if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) {
+ wl1271_error("Unsupported RX rate from HW: %d", rate);
+ return 0;
+ }
+
+ return idx;
+}
+
+static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct wl1271 *wl = dev_get_drvdata(dev);
+ ssize_t len;
+
+ len = PAGE_SIZE;
+
+ mutex_lock(&wl->mutex);
+ len = snprintf(buf, len, "%d\n\n0 - off\n1 - on\n",
+ wl->sg_enabled);
+ mutex_unlock(&wl->mutex);
+
+ return len;
+
+}
+
+static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct wl1271 *wl = dev_get_drvdata(dev);
+ unsigned long res;
+ int ret;
+
+ ret = strict_strtoul(buf, 10, &res);
+
+ if (ret < 0) {
+ wl1271_warning("incorrect value written to bt_coex_mode");
+ return count;
+ }
+
+ mutex_lock(&wl->mutex);
+
+ res = !!res;
+
+ if (res == wl->sg_enabled)
+ goto out;
+
+ wl->sg_enabled = res;
+
+ if (wl->state == WL1271_STATE_OFF)
+ goto out;
+
+ ret = wl1271_ps_elp_wakeup(wl, false);
+ if (ret < 0)
+ goto out;
+
+ wl1271_acx_sg_enable(wl, wl->sg_enabled);
+ wl1271_ps_elp_sleep(wl);
+
+ out:
+ mutex_unlock(&wl->mutex);
+ return count;
+}
+
+static DEVICE_ATTR(bt_coex_state, S_IRUGO | S_IWUSR,
+ wl1271_sysfs_show_bt_coex_state,
+ wl1271_sysfs_store_bt_coex_state);
+
+static ssize_t wl1271_sysfs_show_hw_pg_ver(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct wl1271 *wl = dev_get_drvdata(dev);
+ ssize_t len;
+
+ len = PAGE_SIZE;
+
+ mutex_lock(&wl->mutex);
+ if (wl->hw_pg_ver >= 0)
+ len = snprintf(buf, len, "%d\n", wl->hw_pg_ver);
+ else
+ len = snprintf(buf, len, "n/a\n");
+ mutex_unlock(&wl->mutex);
+
+ return len;
+}
+
+static DEVICE_ATTR(hw_pg_ver, S_IRUGO | S_IWUSR,
+ wl1271_sysfs_show_hw_pg_ver, NULL);
+
+int wl1271_register_hw(struct wl1271 *wl)
{
int ret;
wl->mac80211_registered = true;
+ register_netdevice_notifier(&wl1271_dev_notifier);
+
wl1271_notice("loaded");
return 0;
}
+EXPORT_SYMBOL_GPL(wl1271_register_hw);
+
+void wl1271_unregister_hw(struct wl1271 *wl)
+{
+ unregister_netdevice_notifier(&wl1271_dev_notifier);
+ ieee80211_unregister_hw(wl->hw);
+ wl->mac80211_registered = false;
+
+}
+EXPORT_SYMBOL_GPL(wl1271_unregister_hw);
-static int wl1271_init_ieee80211(struct wl1271 *wl)
+int wl1271_init_ieee80211(struct wl1271 *wl)
{
/* The tx descriptor buffer and the TKIP space. */
wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE +
/* unit us */
/* FIXME: find a proper value */
wl->hw->channel_change_time = 10000;
+ wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval;
wl->hw->flags = IEEE80211_HW_SIGNAL_DBM |
- IEEE80211_HW_NOISE_DBM |
IEEE80211_HW_BEACON_FILTER |
- IEEE80211_HW_SUPPORTS_PS;
+ IEEE80211_HW_SUPPORTS_PS |
+ IEEE80211_HW_SUPPORTS_UAPSD |
+ IEEE80211_HW_HAS_RATE_CONTROL |
+ IEEE80211_HW_CONNECTION_MONITOR |
+ IEEE80211_HW_SUPPORTS_CQM_RSSI;
wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC);
wl->hw->wiphy->max_scan_ssids = 1;
wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz;
+ wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz;
- if (wl1271_11a_enabled())
- wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz;
+ wl->hw->queues = 4;
+ wl->hw->max_rates = 1;
- SET_IEEE80211_DEV(wl->hw, &wl->spi->dev);
+ SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl));
return 0;
}
-
-static void wl1271_device_release(struct device *dev)
-{
-
-}
-
-static struct platform_device wl1271_device = {
- .name = "wl1271",
- .id = -1,
-
- /* device model insists to have a release function */
- .dev = {
- .release = wl1271_device_release,
- },
-};
+EXPORT_SYMBOL_GPL(wl1271_init_ieee80211);
#define WL1271_DEFAULT_CHANNEL 0
-static struct ieee80211_hw *wl1271_alloc_hw(void)
+struct ieee80211_hw *wl1271_alloc_hw(void)
{
struct ieee80211_hw *hw;
+ struct platform_device *plat_dev = NULL;
struct wl1271 *wl;
- int i;
+ int i, ret;
hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops);
if (!hw) {
wl1271_error("could not alloc ieee80211_hw");
- return ERR_PTR(-ENOMEM);
+ ret = -ENOMEM;
+ goto err_hw_alloc;
+ }
+
+ plat_dev = kmemdup(&wl1271_device, sizeof(wl1271_device), GFP_KERNEL);
+ if (!plat_dev) {
+ wl1271_error("could not allocate platform_device");
+ ret = -ENOMEM;
+ goto err_plat_alloc;
}
wl = hw->priv;
INIT_LIST_HEAD(&wl->list);
wl->hw = hw;
+ wl->plat_dev = plat_dev;
skb_queue_head_init(&wl->tx_queue);
INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work);
+ INIT_DELAYED_WORK(&wl->pspoll_work, wl1271_pspoll_work);
wl->channel = WL1271_DEFAULT_CHANNEL;
+ wl->beacon_int = WL1271_DEFAULT_BEACON_INT;
wl->default_key = 0;
wl->rx_counter = 0;
wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
wl->psm_entry_retry = 0;
wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC;
+ wl->basic_rate = CONF_TX_RATE_MASK_BASIC;
wl->rate_set = CONF_TX_RATE_MASK_BASIC;
wl->sta_rate_set = 0;
wl->band = IEEE80211_BAND_2GHZ;
wl->vif = NULL;
wl->flags = 0;
+ wl->sg_enabled = true;
+ wl->hw_pg_ver = -1;
for (i = 0; i < ACX_TX_DESCRIPTORS; i++)
wl->tx_frames[i] = NULL;
/* Apply default driver configuration. */
wl1271_conf_init(wl);
- return hw;
-}
-
-int wl1271_free_hw(struct wl1271 *wl)
-{
- ieee80211_unregister_hw(wl->hw);
-
- wl1271_debugfs_exit(wl);
-
- kfree(wl->target_mem_map);
- vfree(wl->fw);
- wl->fw = NULL;
- kfree(wl->nvs);
- wl->nvs = NULL;
-
- kfree(wl->fw_status);
- kfree(wl->tx_res_if);
-
- ieee80211_free_hw(wl->hw);
-
- return 0;
-}
-
-static int __devinit wl1271_probe(struct spi_device *spi)
-{
- struct wl12xx_platform_data *pdata;
- struct ieee80211_hw *hw;
- struct wl1271 *wl;
- int ret;
+ wl1271_debugfs_init(wl);
- pdata = spi->dev.platform_data;
- if (!pdata) {
- wl1271_error("no platform data");
- return -ENODEV;
+ /* Register platform device */
+ ret = platform_device_register(wl->plat_dev);
+ if (ret) {
+ wl1271_error("couldn't register platform device");
+ goto err_hw;
}
+ dev_set_drvdata(&wl->plat_dev->dev, wl);
- hw = wl1271_alloc_hw();
- if (IS_ERR(hw))
- return PTR_ERR(hw);
-
- wl = hw->priv;
-
- dev_set_drvdata(&spi->dev, wl);
- wl->spi = spi;
-
- /* This is the only SPI value that we need to set here, the rest
- * comes from the board-peripherals file */
- spi->bits_per_word = 32;
-
- ret = spi_setup(spi);
+ /* Create sysfs file to control bt coex state */
+ ret = device_create_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state);
if (ret < 0) {
- wl1271_error("spi_setup failed");
- goto out_free;
+ wl1271_error("failed to create sysfs file bt_coex_state");
+ goto err_platform;
}
- wl->set_power = pdata->set_power;
- if (!wl->set_power) {
- wl1271_error("set power function missing in platform data");
- ret = -ENODEV;
- goto out_free;
- }
-
- wl->irq = spi->irq;
- if (wl->irq < 0) {
- wl1271_error("irq missing in platform data");
- ret = -ENODEV;
- goto out_free;
- }
-
- ret = request_irq(wl->irq, wl1271_irq, 0, DRIVER_NAME, wl);
+ /* Create sysfs file to get HW PG version */
+ ret = device_create_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver);
if (ret < 0) {
- wl1271_error("request_irq() failed: %d", ret);
- goto out_free;
+ wl1271_error("failed to create sysfs file hw_pg_ver");
+ goto err_bt_coex_state;
}
- set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING);
-
- disable_irq(wl->irq);
-
- ret = platform_device_register(&wl1271_device);
- if (ret) {
- wl1271_error("couldn't register platform device");
- goto out_irq;
- }
- dev_set_drvdata(&wl1271_device.dev, wl);
-
- ret = wl1271_init_ieee80211(wl);
- if (ret)
- goto out_platform;
-
- ret = wl1271_register_hw(wl);
- if (ret)
- goto out_platform;
-
- wl1271_debugfs_init(wl);
-
- wl1271_notice("initialized");
+ return hw;
- return 0;
+err_bt_coex_state:
+ device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state);
- out_platform:
- platform_device_unregister(&wl1271_device);
+err_platform:
+ platform_device_unregister(wl->plat_dev);
- out_irq:
- free_irq(wl->irq, wl);
+err_hw:
+ wl1271_debugfs_exit(wl);
+ kfree(plat_dev);
- out_free:
+err_plat_alloc:
ieee80211_free_hw(hw);
- return ret;
-}
-
-static int __devexit wl1271_remove(struct spi_device *spi)
-{
- struct wl1271 *wl = dev_get_drvdata(&spi->dev);
+err_hw_alloc:
- platform_device_unregister(&wl1271_device);
- free_irq(wl->irq, wl);
-
- wl1271_free_hw(wl);
-
- return 0;
+ return ERR_PTR(ret);
}
+EXPORT_SYMBOL_GPL(wl1271_alloc_hw);
-
-static struct spi_driver wl1271_spi_driver = {
- .driver = {
- .name = "wl1271",
- .bus = &spi_bus_type,
- .owner = THIS_MODULE,
- },
-
- .probe = wl1271_probe,
- .remove = __devexit_p(wl1271_remove),
-};
-
-static int __init wl1271_init(void)
+int wl1271_free_hw(struct wl1271 *wl)
{
- int ret;
+ platform_device_unregister(wl->plat_dev);
+ kfree(wl->plat_dev);
- ret = spi_register_driver(&wl1271_spi_driver);
- if (ret < 0) {
- wl1271_error("failed to register spi driver: %d", ret);
- goto out;
- }
+ wl1271_debugfs_exit(wl);
-out:
- return ret;
-}
+ vfree(wl->fw);
+ wl->fw = NULL;
+ kfree(wl->nvs);
+ wl->nvs = NULL;
-static void __exit wl1271_exit(void)
-{
- spi_unregister_driver(&wl1271_spi_driver);
+ kfree(wl->fw_status);
+ kfree(wl->tx_res_if);
- wl1271_notice("unloaded");
-}
+ ieee80211_free_hw(wl->hw);
-module_init(wl1271_init);
-module_exit(wl1271_exit);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(wl1271_free_hw);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>");
MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>");
-MODULE_FIRMWARE(WL1271_FW_NAME);
projects / karo-tx-linux.git / blobdiff